Help! Broken bootloader of Proxmox host

G

Garry

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Jan 31, 2022
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Everyone, good day!

As a result of experiments with the BIOS of the computer on which Proxmox VE 7.1-2 was installed, the bootloader crashed (((
The system does not boot, writes something like "Insert boot media".

PVE was installed on a single 256GB NVMe drive in the standard way (default drive settings, no ZFS).

I booted from a Debian LiveCD flash drive.

Using the fdisk -l command - this disk (dev/nvme0n1) is visible, but without any labels.

I run vgscan and it doesn't show anything.

What to do? How can I restore PVE loading?
 
Do you maybe turned on/off raid for your NVMe in BIOS? In such a case a disk would look unpartitioned because the old data can't be recognized anymore.
Or do you maybe changed the boot order or enabled CSM/compability mode so your mainboard is now working in BIOS mode and not UEFI mode and so you can't boot from NVMes anymore?
 
Dunuin said:
Do you maybe turned on/off raid for your NVMe in BIOS? In such a case a disk would look unpartitioned because the old data can't be recognized anymore.
Or do you maybe changed the boot order or enabled CSM/compability mode so your mainboard is now working in BIOS mode and not UEFI mode and so you can't boot from NVMes anymore?
Click to expand...
Mostly I tried with CPU overclocking settings. And maybe with CSM settings (disable legacy)
But I restored defaults settings for BIOS and disks are not recognized yet
 
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